SN4 ""

No	Pattern	Freq
1	[noun] [verb] the problem	499
2	[adv] [verb] the problem	429
3	[verb] [verb] the problem	383
4	[pron] [verb] the problem	298
5	[adv] [verb] the problem	297
6	[noun sg] [verb] the problem	290
7	[pers pn] [verb] the problem	241
8	[vb mod] [verb] the problem	170
9	[modal v] [verb] the problem	170
10	[prep] [verb] the problem	140
11	[prep] [verb] the problem	137
12	have [verb] the problem	127
13	[noun pl] [verb] the problem	120
14	[adj] [verb] the problem	118
15	[conj] [verb] the problem	109
16	[not/n't] [verb] the problem	107
17	not [verb] the problem	107
18	[be] [verb] the problem	81
19	be [verb] the problem	81
20	i [verb] the problem	78
21	[coord] [verb] the problem	77
22	[noun prp] [verb] the problem	75
23	[vb base] [verb] the problem	75
24	i [verb] the problem	75
25	not [verb] the problem	69
26	[vb pp] [verb] the problem	68
27	[vb past] [verb] the problem	65
28	and [verb] the problem	63
29	and [verb] the problem	63
30	[adj] [verb] the problem	56